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IPv4 is the default protocol used on D-Series phones to connect to the outer world. Shipped phones are configured to retrieve an IPv4 address via DHCP.


Mode Default


Allows to configure the IPv4 address, subnet mask, default gateway and DNS servers of your phone manually.


The IPv4 address, subnet mask, default gateway, DNS servers and provisioning information are retrieved from a local DHCP server.

You can find a table listing the DHCP options considered below. Please note, that DHCP-supplied DNS servers are only used if none have been configured manually.

DHCP Options#

Option-Index Option-Name Function Format (if not default)
3 routers list of gateways to other networks
6 domain_name_servers list of DNS-servers
12 host_name clients hostname
15 domain_name clients domainname
42 ntp_servers list of NTP-servers
43 vendor_encapsulated_options vendor-specific options binhex
66 tftp_server_name provisioning-server (host-part)
67 bootfile_name provisioning-server (path-part)
100 posix_timezone IEEE 1003.1 TZ String
101 tzdb_timezone Reference to TZDB
119 domain_search List of search-domains, appended to hostnames without FQDN
132 vlan_id VLAN ID string
133 vlan_qos VLAN Priority (string) string